Patients with Usher syndrome 1—clinical information
| No | Age/ sex | Age/diag deafness | Audio gram | Vestibular function | Age diag RP (years) | Age visual symptom (years) | VA better eye |
ERG ( mV) | Cat | Field (°) | Pigment degen |
| 10* | 47/M | Infant | NR | neg | 21 | 15 | 3/60 | ext | no | 10 | Extensive Atrophic maculae |
| 11* | 45/F | Infant | NR | neg | 22 | 22 | PL | ext | no | <5 | Extensive Atrophic maculae |
| 18* | 23/F | 2 years | NR | neg | 23 | 21 | 6/9 | ext | no | 20 | Extensive |
| 22* | 25/F | Infant | NR | neg | 17 | 12 | 6/12 | ext | no | 10 | Moderate |
| 24* | 46/F | 2 years | NR | neg | 18 | 24 | 6/12 | ext | bilat pseudo phakos | 5 | Extensive Macular pigment |
| 25* | 36/M | Infant | NR | NP | 8 | 13 | 3/60 | ext | no | <5 | Extensive |
| 27 | 34/F | 2 years | NR | NP | 15 | 12 | 6/9 | ext | no | 10 | Extensive |
| 28 | 21/M | Infant | NR | NP | 18 | 15 | 6/9 | <75 | no | constricted | Moderate |
| 32* | 23/M | 2 years | NR | neg | 12 | 12 | 6/6 | ext | no | constricted | Moderate |
| 36* | 39/F | Infant | NR | neg | 34 | 18 | 6/12 | ext | early PSLO | 20 | Extensive |
RP = retinitis pigmentosa; NR = non-recordable; NP = not performed; PSLO = posterior subcapsular lens opacities; ext = extinguished; Cat = cataract; diag = diagnosis; pigment degen = pigmentary degeneration; *clinically reassessed.